FR1047567A - Perfectionnements aux lampes à incandescence - Google Patents

Perfectionnements aux lampes à incandescence

Info

Publication number
FR1047567A
FR1047567A FR1047567DA FR1047567A FR 1047567 A FR1047567 A FR 1047567A FR 1047567D A FR1047567D A FR 1047567DA FR 1047567 A FR1047567 A FR 1047567A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR1047567A publication Critical patent/FR1047567A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
FR1047567D 1951-01-08 1952-01-08 Perfectionnements aux lampes à incandescence Expired FR1047567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US703127XA 1951-01-08 1951-01-08

Publications (1)

Publication Number Publication Date
FR1047567A true FR1047567A (fr) 1953-12-15

Family

ID=22094538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1047567D Expired FR1047567A (fr) 1951-01-08 1952-01-08 Perfectionnements aux lampes à incandescence

Country Status (2)

Country Link
FR (1) FR1047567A (fr)
GB (1) GB703127A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385223A1 (fr) * 1977-03-25 1978-10-20 Duro Test Corp Source lumineuse a incandescence a miroir a chaleur transparent

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045025A1 (de) * 1980-04-12 1981-10-22 Egyesült Izzólámpa és Villamossági Részvénytársaság, 1340 Budapest Verfahren zur herstellung von die infrarotstrahlung vermindernden schichten auf elektrischen lichtquellen
US20130167831A1 (en) * 2012-01-03 2013-07-04 Bryan William McEnerney Thermal insulator having infrared-reflective coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385223A1 (fr) * 1977-03-25 1978-10-20 Duro Test Corp Source lumineuse a incandescence a miroir a chaleur transparent

Also Published As

Publication number Publication date
GB703127A (en) 1954-01-27

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